| GeoNames Ontology (GeoNames) |
| ======================================================================================================================== |
|
|
| Overview |
| -------- |
| The Geonames ontologies provides elements of description for geographical features, |
| in particular those defined in the geonames.org database. |
|
|
| :Domain: Geography |
| :Category: Geographic Knowledge |
| :Current Version: 3.3 |
| :Last Updated: 2022-01-30 |
| :Creator: Bernard Vatant |
| :License: Creative Commons 3.0 |
| :Format: RDF |
| :Download: `GeoNames Ontology (GeoNames) Homepage <https://www.geonames.org/ontology>`_ |
|
|
| Graph Metrics |
| ------------- |
| - **Total Nodes**: 4879 |
| - **Total Edges**: 6631 |
| - **Root Nodes**: 2 |
| - **Leaf Nodes**: 4123 |
|
|
| Knowledge coverage |
| ------------------ |
| - Classes: 7 |
| - Individuals: 699 |
| - Properties: 30 |
|
|
| Hierarchical metrics |
| -------------------- |
| - **Maximum Depth**: 3 |
| - **Minimum Depth**: 0 |
| - **Average Depth**: 1.18 |
| - **Depth Variance**: 0.43 |
|
|
| Breadth metrics |
| ------------------ |
| - **Maximum Breadth**: 21 |
| - **Minimum Breadth**: 2 |
| - **Average Breadth**: 7.00 |
| - **Breadth Variance**: 65.50 |
|
|
| Dataset Statistics |
| ------------------ |
| Generated Benchmarks: |
| - **Term Types**: 699 |
| - **Taxonomic Relations**: 18 |
| - **Non-taxonomic Relations**: 0 |
| - **Average Terms per Type**: 349.50 |
|
|
| Usage Example |
| ------------- |
| .. code-block:: python |
|
|
| from ontolearner.ontology import GeoNames |
|
|
| # Initialize and load ontology |
| ontology = GeoNames() |
| ontology.load("path/to/ontology.RDF") |
|
|
| # Extract datasets |
| data = ontology.extract() |
|
|
| # Access specific relations |
| term_types = data.term_typings |
| taxonomic_relations = data.type_taxonomies |
| non_taxonomic_relations = data.type_non_taxonomic_relations |
|
|
